$def with ()

$ params = {'origin': request.home.replace('http:', 'https:')}
<iframe
    id="ia-third-party-logins"
    src="https://$get_ia_host(allow_dev=True)/account/login.thirdparty.php?$(urlencode(params))"
    style="border:0; width: auto; height: 44px"
></iframe>
